Kolkata, the erstwhile capital of British India, and New Delhi, the capital of modern India, are two major metropolitan cities. Thus, loads of people travel between the two cities regularly. The staggering demand for New Delhi to Kolkata flight tickets and Kolkata to New Delhi flight tickets is a testament to that. Book Vistara, GoAir, IndiGo, SpiceJet, AirAsia or Air India New Delhi to Kolkata flights on HappyEasyGo if you wish to reach the East Indian city without splurging on your air ticket. We have numerous offers and deals that will help you save a lot on your ticket.